Question

A cyclist bikes at a constant speed for 25 miles. He then returns home at the same speed but takes a different route. His return trip takes one hour longer and is 30 miles. Find his speed.

1- 5 mph

2- 7 mph

3- 4 mph

4- 6 mph

Answer 1

i really want to know how can i do these problem i will give medals for it

Answer 2

Total distance travel=25+30 mile=55 mile

Answer 3

\[\frac{ 30 }{ x+1}-\frac{ 25 }{ x}=0\]

Answer 4

and the answer will be 5mph

Answer 5

\[30x-25x-25=0\]

Answer 6

First convert 55 miles to meter

Answer 7

\[5x=25\]

Answer 8

And you got x=5 hr

Answer 9

So speed=distance (in meter)/5

Answer 10

thanks buddy

Answer 11

You are welcome